MiNET login command in plugin.

gistfile1.cs

	[Plugin("CoreCommands", "The core commands for MiNET", "1.0", "MiNET Team")]
	public class CoreCommands : Plugin
	{
		[Command]
		public void Login(Player player, string password)
		{
			UserManager<User> userManager = player.Server.UserManager;
			if (userManager != null)
			{
				if (player.Username == null) return;

				User user = userManager.FindByName(player.Username);

				if (user == null)
				{
					user = new User(player.Username);
					if (!userManager.Create(user, password).Succeeded) return;
				}

				if (userManager.CheckPassword(user, password))
				{
					player.SendMessage("Login successful");
				}
			}
		}
	}